Home / 19,013.11-28,511.49-6,534.39

Finding the Fourth Proportional to 19,013.11, 28,511.49 and 6,534.39

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Solution

The fourth proportional to 19,013.11, 28,511.49 and 6,534.39 is: 9,798.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,013.11 : 28,511.49 = 6,534.39 : x
  2. Step 2: Convert to fraction form
    19,013.11/28,511.49 = 6,534.39/x
  3. Step 3: Cross multiply
    19,013.11x = 28,511.49 × 6,534.39
  4. Step 4: Simplify right side
    19,013.11x = 186,305,195.14
  5. Step 5: Solve for x
    x = 186,305,195.14/19,013.11
  6. Step 6: Final answer
    x = 9,798.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.